Renovating in Conthey: what to know
Planning works in Conthey, canton of Valais? Before requesting quotes, local context helps: climate drives the value of insulation and heating, cantonal rules govern boiler replacement, and tax deductions can noticeably reduce the bill.
Local housing stock
The federal building register lists 3'186 residential buildings with 5'707 dwellings in Conthey. 59% were built before 1980, before serious insulation standards, and 34% are still heated with oil or gas.
Age of residential buildings
- Before 191919 %
- 1919–194513 %
- 1946–19607 %
- 1961–19708 %
- 1971–198012 %
- 1981–199014 %
- 1991–20007 %
- 2001–20109 %
- Since 201112 %
Main heating energy
- Heat pump27 %
- Wood24 %
- Heating oil19 %
- Gas15 %
- Electricity15 %
Heating and hot water: which energies?
| Energy | Heating | Hot water |
|---|---|---|
| Gas | 15 % | 17.8 % |
| Heating oil | 19 % | 19.9 % |
| Heat pump | 27 % | 11.1 % |
| Electricity | 15 % | 41.1 % |
| Wood | 24 % | 0.6 % |
| Solar thermal | 0 % | 3.7 % |
Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.
Type of heating system
- Boiler (unspecified)31.8 %
- Heat pump27 %
- Stove23.4 %
- Central electric heating10.3 %
- Direct electric heaters4.7 %
- Condensing boiler2 %
A standard non-condensing boiler is usually older and less efficient.
Houses or apartment buildings?
- Single-family houses76.6 %
- Two-dwelling houses13.7 %
- Apartment buildings (3+)9.7 %
2.4 % of buildings mix housing with shops or offices.
The typical building
- storeys (median)
- 2
- median footprint
- 101 m²
- median dwelling area
- 100 m²
Dwellings by number of rooms
Dwellings per building
- 1 dwelling76.6 %
- 2 to 417.7 %
- 5 to 93 %
- 10 to 192.2 %
- 20 or more0.6 %
Renovations, heritage and volumes
For renovation planning in Conthey, RegBL figures provide vital context for homeowners. With 25 buildings identified as heritage-protected out of 1230 known, consulting the municipality early regarding permits is essential. The median house volume is 747 m3 per SIA 416 standards, helping you gauge the scale of necessary heating or insulation upgrades. Please note that data coverage is partial: volume measurements are only available for 116 out of 2439 houses, and specific records regarding the year of renovation are currently not available. These figures serve as a foundational guide for estimating your upcoming project requirements.
Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.
Choose your works in Conthey
Nearby municipalities : Sion · Martigny · Monthey · Sierre · Visp · Brigue-Glis · Naters · Saint-Maurice